package org.apache.maven.lifecycle.internal;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.maven.artifact.Artifact;
import org.apache.maven.execution.BuildSuccess;
import org.apache.maven.execution.ExecutionEvent;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.lifecycle.MavenExecutionPlan;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;

import java.util.HashSet;

/**
 * Builds one or more lifecycles for a full module
 *
 * @since 3.0
 * @author Benjamin Bentmann
 * @author Jason van Zyl
 * @author Kristian Rosenvold (extracted class)
 *         <p/>
 *         NOTE: This class is not part of any public api and can be changed or deleted without
 *         prior notice.
 */
@Component(role = LifecycleModuleBuilder.class)
public class LifecycleModuleBuilder {

  @Requirement
  private MojoExecutor mojoExecutor;

  @Requirement
  private BuilderCommon builderCommon;

  @Requirement
  private ExecutionEventCatapult eventCatapult;

  public void buildProject(MavenSession session, ReactorContext reactorContext, MavenProject currentProject,
      TaskSegment taskSegment) {
    buildProject(session, session, reactorContext, currentProject, taskSegment);
  }

  public void buildProject(MavenSession session, MavenSession rootSession, ReactorContext reactorContext,
      MavenProject currentProject, TaskSegment taskSegment) {
    session.setCurrentProject(currentProject);

    long buildStartTime = System.currentTimeMillis();

    try {

      if (reactorContext.getReactorBuildStatus().isHaltedOrBlacklisted(currentProject)) {
        eventCatapult.fire(ExecutionEvent.Type.ProjectSkipped, session, null);
        return;
      }

      eventCatapult.fire(ExecutionEvent.Type.ProjectStarted, session, null);

      BuilderCommon.attachToThread(currentProject);
      MavenExecutionPlan executionPlan = builderCommon.resolveBuildPlan(session, currentProject, taskSegment,
          new HashSet<Artifact>());
      // 插件回调
      mojoExecutor.execute(session, executionPlan.getMojoExecutions(), reactorContext.getProjectIndex());

      long buildEndTime = System.currentTimeMillis();

      reactorContext.getResult().addBuildSummary(new BuildSuccess(currentProject, buildEndTime - buildStartTime));

      eventCatapult.fire(ExecutionEvent.Type.ProjectSucceeded, session, null);
    } catch (Exception e) {
      builderCommon.handleBuildError(reactorContext, rootSession, session, currentProject, e, buildStartTime);
    } finally {
      session.setCurrentProject(null);

      Thread.currentThread().setContextClassLoader(reactorContext.getOriginalContextClassLoader());
    }
  }
}
